RE: Using Logicals?

Lou,

I BELIEVE the UK Post Code rules are as follows (UK readers are welcome 
to correct any errors):

The Post Code varies in length from 5 to 7 characters.  The last three 
are always separated from the first 2, 3 or 4 by a space.
The format of the Post Code (where a=Alpha, n=Numeric, e=Either) is 
always:
aeee naa

The first letter (or two letters) designate the general area of the UK, 
county, or nearest major city.

The various formats you will see (difference in first portion only) 
are:

Post Code Format                        Example                         
Area/City
aan naa                                 PE2 9NP                         
Peterborough
                                                        YO1 1YA                 
        York
                                                        TS5 5JL                 
        Teesside
                                                        IV2 4SG                 
        Inverness
                                                        CF1 9HD                 
        Cardiff
                                                        BT2 7AP                 
        Belfast
                                                        NW1 2HP                 
        London (North-West)

aann naa                                        TR16 5AU                        
        Truro
                                                        NR13 4PN                
                Norwich
                                                        LE87 4AB                
                Leicestershire
                                                        RG10 9NF                
                Reading
                                                        SE19 2LT                
                London (South-East)

aana naa                                        WC2R 0AA                        
        London (West-Central)

an naa                                          B1 2HF                          
        Birmingham
                                                        G3 8HT                  
                Glasgow

ann naa                                 B33 0NW                         
Birmingham

Apart from the cities that had their own zone codes prior to 
introduction of the Post Code throughout the UK, all areas appear to 
follow the 'aan naa' or 'aann naa' format.  Cities that used to have 
their own codes have had these incorporated into the Post Code.  For 
example:

City                            Old Code/Area                                   
New Code
London                  NW1     (North-West 1)                  NW1 naa
London                  WC2     (West-Central 2)                WC2a naa
Birmingham              B1                                                      
        B1 naa
Birmingham              B33                                                     
        B33 naa


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-----Original Message-----
From:   System Support Products, Inc. [SMTP:sspi@ix.netcom.com]
Sent:   Thursday, November 06, 1997 5:29 PM
To:     MIDRANGE-L@midrange.com
Subject:        Re: Using Logicals?

Peter,

>10-character alpha field for the code, plus a 2-character country 
code.
>We just let the significant characters run together in the postal code 
field,
>and use the country code determine how to format and space those 
characters.

   How do you format the postal codes for the UK?  I seem to remember 
that
there are differences from code to code in the number of characters and
spacing.



   - Lou Forlini
     Software Engineer
     System Support Products, Inc.
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